There has always been a lot of interest in accelerating brain function with the use of drugs and chemicals but I'm not aware of anything yet that stimulates the hippocampus to store long term memory.
Editors Contribution(0.00 / 0 votes)Rate this definition: alternating current. Is a type of electric current that changes direction periodically during the cycle. Alternating current is a type of electric current used in most household electricity systems in the US and throughout Europe.
Defining Alternating Current. Alternating current is simply the movement of electrical charge through a medium that changes direction periodically. This is in contrast with direct current (DC), where the movement of charge is only in one direction and is constant.